000 FZNT24 KNHC 200115 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 815 PM EST Sat Jan 19 2019 Offshore Waters Forecast for the Gulf of Mexico Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. GMZ001-201315- Synopsis for the Gulf of Mexico 815 PM EST Sat Jan 19 2019 .SYNOPSIS...A strong cold front is along 30N86W to 25N90W to 18.5N95W. Fresh to strong SW to S return flow will shift eastward across the N Gulf of Mexico tonight, to the east of the strong cold front. NW gale force winds are in the W sections of the Gulf of Mexico now, from 21N to 27N W of 95N. The gale-force winds are forecast to move southward along the coast of Mexico tonight, being S of 20N of 94W. Expect the cold front to pass through 26N82W beyond the NE corner of the Yucatan Peninsula by Sunday morning, and continue moving SE and out of the area during Sunday afternoon. A squall line will precede the front as it crosses the Gulf of Mexico. Strong to near gale-force NW winds will be blowing across the Gulf waters tonight and Sunday to the west of the cold front, elsewhere. The wind speeds will taper off across the basin by sunrise on Monday. A surface ridge from the N will shift E and allow strong SE to S return flow to develop in the western Gulf of Mexico by Tuesday morning. The strong return flow will expand to the eastern Gulf of Mexico on Tuesday night. It is possible that another strong cold front may enter the NW Gulf of Mexico by Wednesday morning. $$ GMZ011-201315- NW Gulf including Stetson Bank- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...NW to N winds 25 to 35 kt. Seas 9 to 13 ft in NW to N swell. .SUN...N winds 20 to 25 kt. Seas 7 to 10 ft in N to NE swell. .SUN NIGHT...NE winds 10 to 15 kt, shifting to SE late. Seas 3 to 5 ft. .MON...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. .MON NIGHT...SE to S winds 20 to 25 kt. Seas 4 to 6 ft. .TUE...S winds 20 to 30 kt. Seas 7 to 10 ft in S swell. .TUE NIGHT...SE to S winds 15 to 20 kt. Seas 6 to 9 ft in S swell. .WED...W winds 25 to 30 kt, shifting to N in the afternoon. Seas 7 to 10 ft in N to NE swell. .WED NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. .THU...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-201315- N Central Gulf including Flower Garden Banks Marine Sanctuary- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...NW winds 20 to 30 kt. Seas 9 to 13 ft in W to NW swell. .SUN...NW to N winds 20 to 25 kt. Seas 8 to 12 ft in NW swell. .SUN NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft in NW to N swell. .MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 20 to 25 kt. Seas 3 to 5 ft. .TUE...SE to S winds 20 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...SE to S winds 20 to 25 kt. Seas 6 to 8 ft. .WED...S to SW winds 20 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...NW winds 20 to 25 kt. Seas 6 to 9 ft in NW swell. .THU...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ015-201315- NE Gulf N of 25N E of 87W- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...S winds 15 to 20 kt, shifting to W 20 to 30 kt in the late evening and overnight. Seas 7 to 11 ft in SW to W swell. Scattered showers and isolated thunderstorms. .SUN...NW winds 20 to 30 kt. Seas 8 to 12 ft in W to NW swell. .SUN NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. .MON...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. .MON NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft. .WED...SE winds 20 to 25 kt. Seas 6 to 9 ft in SE swell. .WED NIGHT...S to SW winds 20 to 25 kt. Seas 6 to 8 ft. .THU...NW winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ017-201315- W Central Gulf from 22N to 26N W of 94W- 815 PM EST Sat Jan 19 2019 ...GALE WARNING... .OVERNIGHT...NW to N winds 25 to 35 kt. Seas 9 to 13 ft in N swell. .SUN...N winds 20 to 30 kt, diminishing to 15 to 20 kt late in the afternoon. Seas 9 to 13 ft in N swell. .SUN NIGHT...NE to E winds 10 to 15 kt, shifting to SE 5 to 10 kt early in the morning. Seas 6 to 9 ft in N to NE swell, subsiding to 4 to 6 ft in N to NE swell early in the morning. .MON...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE to S winds 20 to 25 kt. Seas 2 to 4 ft, building to 4 to 6 ft late. .TUE...SE to S winds 20 to 30 kt. Seas 6 to 9 ft in SE to S swell. .TUE NIGHT...SE to S winds 20 to 25 kt. Seas 6 to 8 ft. .WED...SW winds 15 to 20 kt, becoming NW to N 30 to 35 kt in the afternoon. Seas 6 to 8 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft in N to NE swell. .THU...N winds 15 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ019-201315- Central Gulf from 22N to 26N between 87W and 94W- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...S of 24N, S to SW winds 10 to 15 kt, becoming NW 25 to 30 kt in the late evening and overnight. Elsewhere, SW winds 20 to 25 kt, shifting to NW 20 to 30 kt in the late evening and overnight. Seas 7 to 11 ft in W swell, building to 9 to 14 ft in NW swell late. .SUN...NW to N winds 20 to 25 kt. Seas 9 to 13 ft in NW swell. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell. .MON...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in N swell. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 20 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 20 to 25 kt. Seas 5 to 7 ft. .WED...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SW to W winds 20 to 25 kt, shifting to NW to N late. Seas 6 to 9 ft in N swell. .THU...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in NW to N swell. .THU NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ021-201315- E Gulf from 22N to 25N E of 87W including Straits of Florida- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...Straits of Florida, SW winds 15 to 20 kt. Elsewhere, SW winds 20 to 25 kt, shifting to W late. Seas 3 to 5 ft, building to 6 to 8 ft late. .SUN...NW winds 20 to 25 kt. Seas 7 to 10 ft in NW swell. .SUN NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. .MON...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...E to SE winds 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft. .WED...SE winds 20 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. .THU...SW winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ023-201315- SW Gulf S of 22N W of 94W- 815 PM EST Sat Jan 19 2019 ...GALE WARNING... .OVERNIGHT...S of 21N W of 95W, SW to W winds 10 to 15 kt, becoming NW to N 25 to 35 kt in the late evening and overnight. Elsewhere, S winds 20 to 25 kt, shifting to NW to N 20 to 30 kt in the late evening and overnight. Seas 8 to 12 ft in NW to N swell. .SUN...NW to N winds 20 to 30 kt. Seas 8 to 12 ft in N swell. .SUN NIGHT...N winds 15 to 20 kt, diminishing to 5 to 10 kt early in the morning. Seas 7 to 10 ft in N swell. .MON...NE winds 5 to 10 kt, shifting to SE 10 to 15 kt in the late morning and afternoon. Seas 4 to 6 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .TUE...SE winds 20 to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 20 to 25 kt. Seas 3 to 5 ft. .WED...SE to S winds 15 to 20 kt, becoming NW 25 to 30 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NW to N winds 20 to 30 kt. Seas 7 to 10 ft in NW to N swell. .THU...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in N swell. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ025-201315- E Bay of Campeche including Campeche Bank- 815 PM EST Sat Jan 19 2019 .OVERNIGHT...Within 60 nm of coast of Campeche, NW winds 15 to 20 kt late in the evening, becoming NW to N 25 to 30 kt. Winds S 10 to 15 kt early in the evening. Elsewhere, NW to N winds 20 to 30 kt in the late evening and overnight. Seas 2 to 4 ft, building to 8 to 12 ft in NW to N swell. .SUN...NW to N winds 20 to 30 kt, diminishing to 15 to 20 kt late in the afternoon. Seas 8 to 12 ft in NW to N swell. .SUN NIGHT...N winds 15 to 20 kt, diminishing to 5 to 10 kt early in the morning. Seas 7 to 10 ft in NW to N swell. .MON...E winds 5 to 10 kt. Seas 5 to 7 ft in NW to N swell. .MON NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. .TUE...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt, becoming NW to N 20 to 25 kt late. Seas 2 to 4 ft, building to 5 to 7 ft late. .THU...N winds 20 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. $$ Forecaster MT